5613445985 has 32 divisors (see below), whose sum is σ = 8162042112. Its totient is φ = 3618017280.

The previous prime is 5613445979. The next prime is 5613445991. The reversal of 5613445985 is 5895443165.

It is an interprime number because it is at equal distance from previous prime (5613445979) and next prime (5613445991).

It is not a de Polignac number, because 5613445985 - 2¹⁸ = 5613183841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476729 + ... + 488361.

It is an arithmetic number, because the mean of its divisors is an integer number (255063816).

Almost surely, 2^5613445985 is an apocalyptic number.

It is an amenable number.

5613445985 is a deficient number, since it is larger than the sum of its proper divisors (2548596127).

5613445985 is a wasteful number, since it uses less digits than its factorization.

5613445985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473.

The product of its digits is 2592000, while the sum is 50.

The square root of 5613445985 is about 74922.9336385062. The cubic root of 5613445985 is about 1777.2281465050.

The spelling of 5613445985 in words is "five billion, six hundred thirteen million, four hundred forty-five thousand, nine hundred eighty-five".